Follow Us on Google+

Request A Price Quote:

Part Number

Part Number:
NSN:
NIIN:
Item Name:
BACK-UP RING , PREFORMED PACKING

Definition:

A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.

CAGE Information

Code Company
02697 PARKER-HANNIFIN CORPORATION DBA O RI

Federal Supply Class

Title

PACKING AND GASKET MATERIALS

Inclusions:

INCLUDES GENERAL PURPOSE OIL GREASE, AIR, LIQUID, GAS, AND CHEMICAL SEALS; OAKUM; PREFABRICATED GASKETS AND SEALS DESIGNED FOR A SINGLE SPECIFIC APPLICATION.

Exclusions:

EXCLUDES O-RINGS (FSC 5331); BULK MATERIAL ITEMS, SUCH AS; RUBBER, CORK, AND ASBESTOS SHEETS AND STRIPS (FSG 93); LIQUID GASKET MATERIALS (RTV, PERMATEX, ETC.) (FSG 80); RFI AND EMI SEALS AND GASKETS (FSC 5999), AND ALL SEAL RETAINERS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQFM HARDNESS RATING 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-R-83248 TY II MIL SPEC SINGLE MATERIAL RESPONSE
ADYU PERIPHERAL DIAMETER 2.746 INCHES MINIMUM AND 2.752 INCHES MAXIMUM
ADVN CROSS-SECTIONAL HEIGHT 0.049 INCHES NOMINAL
MATT MATERIAL RUBBER SYNTHETIC
CXCY PART NAME ASSIGNED BY CONTROLLING AGENCY RING,BACKUP
ADYT CENTER HOLE DIAMETER 2.623 INCHES MINIMUM AND 2.663 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE SOLID

Similar Parts

8-038V709-90 , 8038V70990 , 5330-01-514-8681 , 5330015148681 , 015148681